www.71421.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ec:77:a4:f1:56:07:d5:8e:b5:00:11:1e:78:cf:cb:41:04 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.71421.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ec:77:a4:f1:56:07:d5:8e:b5:00:11:1e:78:cf:cb:41:04
Serial Number (int): 341802530951682183044297276502304147325188
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 33:20:f5:54:02:16:94:a7:12:c1:f7:23:56:a8:ea:17:ed:ef:4d:95
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 54:be:19:8e:23:97:dc:bd:ea:d0:5f:c9:e8:b0:16:03:75:32:c7:6f
Fingerprint (sha256): 84:dc:c8:a4:a7:04:44:11:cb:af:0a:d0:66:19:8e:97:85:6b:db:6c:be:dc:bf:1b:16:b3:21:76:87:e7:4e:41

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.71421.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.71421.com

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.71421.com

Other certificates including the domain name 71421.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.71421.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 341802530951682183044297276502304147325188
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-03 17:49:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-03 17:49:13 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.71421.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 776714787273268219268134254190929249313050196245928591513013930815421501127399481728269164708256342784287695833930199631132535852170043196884752906921527150538486698521081732797844001608268072054716264242972814676376548612439525441088212629734660324162451126433732290881709611007516244741171160681050283643701123268179549939301534696580587156326728005171290194737775658420084129825817934759284333570667186558409377101022920126216279564703585693325300870263990786449432215697969706287170291755059597044404710122575719717587793740978224559607488710994574928294768750558808737134409655330671211871364205599681304447059041778406573197232413231073330493175641655714618240837317369024670847376191395572753255366078156676014984347751909077535748236654132369758286216938200708295106716967437604844925725018838191492316034949486848528447664047924413398117726309813107691565839060078373877341769637594455067095032032314618775022170663844231748489077160507148563437726619011223825627031875918890361070589435358418948973748489247621665058634055417610299474054743699148486862264902895747676795483995041207762451544166964769859650406714147942808320532183233762741936918391724580104937113405859840615507547443311861398223319855322288786265733848751
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							3320f554021694a712c1f72356a8ea17edef4d95
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.71421.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001700c6299c90000040300483046022100f24e1a908b52a2205dd08e678b546a00582e1f8e900063ec4514c3c66ae00627022100d660b1d3d49e62a2d7ac19d9a7e8aa015ef0243aae31be43ed771036b3b4dc9a0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001700c629a10000004030047304502204cf0618cc4d80a7fb4d2480abb7e08a78ce3fd7c59ecce8aec80e350348cbed5022100e3e52691487f4a263e40975ad58474ae4ccc66e65a629f5d4fb34bb733afe04c
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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